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    <title>Document</title>
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    <script type="text/javascript">
        1.
        var str1 = 'str';
        str1 += 2;
        var obj = typeof str1;  //obj = string
        if (typeof obj == 'string') {
            var obj = new String()
            obj.sign = 'Live'
        }
        console.log(obj.sign);


//2.算出字符串的所占用字节的长度， 如: str  ='live' 长度为4      str='live生活'   长度为8 （提示:unicode<=255的占1字节，unicode>255的占用2字节, str.charCodeAt(i)查看i的字节码）
        var count = str.length
        for (let index = 0; index < str.length; index++) {
           str.charCodeAt(index)>255 ? count++ : count
            
        }
        console.log(count);

//3.要求输入一串低于10位的数字，输出对应的中文大写:

//例： input: 10001  --> 一万零一     ；   input:  10,000,000  -->  一千万
    var strNumber = ["零","一","二","三","四","五","六","七","八","九"]
    var numberofweight = ['分','角','元','个','十','百','千','万']
    var num = "1000000"
    chinesesNumber(num);
    function chinesesNumber (num) {
        var onum = num;
        if(onum==0){
            print(strNumber[num[0]]);
            return;
        }
        while(num != ''){
            if(num > 0){
                if(num[0] == 0){
                    if(num.length<=4)
                        print(strNumber[num[0]]);   
                }else{
                        print(strNumber[num[0]]);
                    }
                    if(num[0] > 0 || num.length>4)
                        print(numberofweight[num.length-1]); 
                }
                    num = num.substring(1);
                    while(num[0] ==0 && num[0]==1){
                        num = num.substring(1);
                    }
                }
    
            }
    var chinses = chinesesNumber (num)
    console.log(chinses);


    </script>
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